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$SMMT All transactions

Summit Therapeutics Inc.

A

$ Value

$262.0M

Shares

13,980,789

Price

$19

Filed

Oct 23

Insider

Name

DUGGAN ROBERT W

Title

Co-Chief Executive Officer

CIK

0001055919

Roles

Director Officer 10% Owner

Transaction Details

Transaction Date

2025-10-21

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

570,073,879

Footnotes

Acquired in a private placement transaction pursuant to the terms of a definitive agreement, dated as of October 21, 2025, pursuant to which the Issuer agreed to sell shares of common stock to the Reporting Person and certain other parties at a purchase price of $18.74 per share. The transaction is anticipated to close on or about October 23, 2025. | The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

Filing Info

Accession No.

0001055919-25-000003

Form Type

4

Issuer CIK

0001599298

DUGGAN ROBERT W's History

Date Ticker Type Value
2026-01-02 SMMT A $98K
2025-10-21 SMMT A $262.0M
2025-10-21 SMMT A $5.0M
2025-10-21 SMMT $500K
2025-09-11 SMMT $90K
2025-09-10 SMMT $5.9M
2025-09-10 PLSE $508K
2025-08-15 PLSE A $0
2025-08-15 PLSE A $0
2025-05-30 SMMT M $197K

Other Insiders at SMMT (90d)

No other insider activity at this issuer in the last 90 days.